Which of the following could explain why there was a stampede at the R

Which of the following could explain why there was a stampede at the Richmond International Raceway where 1,000 laptops were being sold at $50 each?

A) Those who bought laptops at that price were those who valued laptops the most.
B) The quantity of laptops demanded at $50 was higher than the quantity supplied.
C) The demand for laptops is not very responsive to price.
D) The price of $50 per laptop was above the equilibrium price of laptops.

ANSWER

B